31results about How to "Brightness adjustable" patented technology

The invention discloses an image restoration method based on frequency domain decoupling, a computer device and a storage medium, and the method comprises the steps: obtaining a to-be-processed image, and inputting the to-be-processed image to a decoupling network; performing multi-scale transformation processing on the to-be-processed image to obtain a multi-scale image set; inputting the multi-scale image set into a multi-scale amplitude restoration module for amplitude restoration processing to obtain a restored and brightened image set; performing component extraction processing on the restored and brightened image set and the to-be-processed image to obtain prior information; and inputting the to-be-processed image and the prior information to a Fourier-based decoupling module for image restoration processing to obtain a restored image. According to the embodiment of the invention, decoupling processing can be carried out for different degradation features based on the Fourier decoupling module, the image restoration effect is improved, and the method can be widely applied to the technical field of image processing.

The invention relates to the technical field of liquid crystal display screen brightness adjustment, in particular to a liquid crystal display screen backlight partition dynamic adjustment system capable of enhancing picture contrast. The system comprises the steps of obtaining an image currently displayed by a liquid crystal screen, enhancing the local contrast of the image, determining a brightness influence coefficient equation of each partition according to an established backlight model, solving the brightness influence coefficient equation based on an optimization algorithm, determining a brightness influence coefficient of each partition, and displaying the brightness influence coefficient of each partition. And solving the brightness influence coefficient equation based on an optimization algorithm, determining the brightness influence coefficient of each partition, and adjusting the backlight brightness of the partitions based on a regional dynamic dimming algorithm. According to the invention, the brightness of each backlight subarea can be adjusted in real time according to the image content, so that black and white in the picture are darker, the contrast ratio is obviously improved, the backlight brightness is intelligently adjusted according to the brightness and color distribution of the image content, and unnecessary energy consumption is avoided.

The invention discloses an LED module structure of an automobile tail lamp, which belongs to the technical field of tail lamps and comprises a shell, an LED light source plate is rotatably arranged on the inner cavity wall of the shell, a rotating motor is mounted on the inner cavity wall of the shell, and a double-end gear is rotatably arranged on each of the upper side and the lower side of the inner cavity wall of the shell. A first gear on the right side of the LED light source plate drives a double-end gear on the upper side to rotate through a second gear, a third gear fixed to the rotating end of a motor drives a double-end gear on the lower side to rotate, telescopic rods are fixed to the positions, at the two ends of the double-end gear, of the mounting plate, rotating rods are rotationally arranged at the four corners of the inner cavity wall of the shell, and sliding blocks are fixed to the telescopic ends of the telescopic rods. Reflecting plates connected with the rotating rod are arranged on the upper and lower sides of the inner cavity of the shell, transparent plates in sliding connection with the inner cavity wall of the shell are arranged on the upper and lower sides of the inner cavity of the shell, and a U-shaped plate matched with the transparent plates for use is fixed at one end of the rotating rod. The anti-dazzle function of the tail lamp can be achieved through a mechanical structure and an intelligent adjusting system. The invention further provides an automobile tail lamp LED module system.

The invention discloses a display device and a display control method, a display panel comprises a plurality of sub-pixels, each sub-pixel comprises a light emitting device, a driving unit and a reset unit, the driving unit is configured to drive the light emitting device to emit light, and the reset unit is configured to transmit a reset signal to an anode of the light emitting device. And the anode potential of the light-emitting device is reset. The adjustment control module adjusts the voltage of the reset signal according to at least one of the refresh frequency of the display panel, the accumulated working time of the display panel and the temperature of the environment where the display panel is located so as to adjust the light-emitting time of each light-emitting device in the current frame, and therefore adjustment of the light-emitting brightness of the light-emitting devices is achieved. Moreover, the brightness of the sub-pixels displaying the low-gray-scale content can be obviously adjusted by adjusting the light-emitting duration of the light-emitting device, so that the low-gray-scale brightness deviation can be improved.

The application provides a pixel circuit and a driving method thereof and a display device, and relates to the technical field of display. The pixel circuit comprises a driving module, a first light-emitting control module, a second light-emitting control module, a light-emitting module and a shunt module. When the first light-emitting control module is turned on, a first power supply end provides a power supply signal for the driving module. The driving module provides a driving current to the shunt module and the light-emitting module in a turned-on state based on the power supply signal. The driving current comprises a shunt current shunted to the shunt module and a light-emitting current shunted to the light-emitting module. The shunt module is connected with a driving integrated circuit through a shunt signal end to receive a shunt signal emitted by the driving integrated circuit. The driving integrated circuit is configured to adjust the size of the shunt current through the shunt signal. The application accurately controls the driving current, and avoids screen color deviation and uneven brightness distribution.

The invention discloses a script-killing atmosphere creation system, comprising a Zigbee coordinator, a Zigbee router, a host remote control, a plurality of script-killing atmosphere light groups, an audio group, a Zigbee gateway and a mobile control terminal; the script-killing atmosphere light group comprises a plurality of script-killing atmosphere lights, each of which has a fixed device number and a communication address; each of the script-killing atmosphere lights performs point-to-point communication with the Zigbee coordinator for information reporting, data downloading and firmware updating, and creates a lighting atmosphere through the script-killing atmosphere lights; the Zigbee coordinator, the Zigbee gateway and the mobile control terminal are connected in sequence, and data transmission between the Zigbee coordinator and the mobile control terminal is realized through the Zigbee gateway; the Zigbee coordinator, the Zigbee router, the audio group and the script-killing atmosphere light group are connected in sequence, and a sound atmosphere is created through the audio group; the host remote control is connected to the Zigbee coordinator for remotely controlling each terminal device; the invention can quickly create script-killing environment atmospheres of different styles, and has a good use effect.

This utility model discloses an LED lamp structure suitable for bulb or candle-type LED lamps to achieve color temperature, brightness, and other adjustment functions. The LED lamp structure includes a glass shell, a lamp body, and a lamp head assembled to form the main body of the LED lamp; an electrical component disposed within the main body of the LED lamp; and at least one switch lever. The lamp body includes a mounting portion and a connecting portion coaxially arranged, the connecting portion being connected to the lamp head. A neck is also provided at the connection between the mounting portion and the connecting portion, and a through groove corresponding to the number of switch levers is formed on the neck. The through groove is arc-shaped along the circumference of the lamp body. The electrical component is installed within the mounting portion and has several light sources facing the glass shell and at least one toggle switch facing the lamp head. The number of switch levers corresponds to the number of toggle switches. The switch levers are movably fitted within the through grooves and are drively connected to the toggle switches.

This application provides a display panel and a display device. The display panel includes a first display area and a second display area. The display panel includes a substrate, a first light-emitting unit, and a second light-emitting unit. The first light-emitting unit is disposed on one side of the substrate within the first display area. The first light-emitting unit includes m light-emitting layers, where m is an integer greater than or equal to 2. The m light-emitting units include a first light-emitting layer and a second light-emitting layer. The orthographic projections of the first light-emitting layer onto the substrate and the orthographic projections of the second light-emitting layer onto the substrate at least partially overlap. The second light-emitting unit is disposed on one side of the substrate within the second display area. The second light-emitting unit includes n light-emitting layers, where n is an integer greater than or equal to 1. The effective light-emitting area of ​​the first light-emitting unit is different from that of the second light-emitting unit. Embodiments of this application can improve the brightness uniformity of different areas and improve the display effect.

This invention provides a multicolor light source based on an anisotropic conductive film, comprising: a plurality of light-emitting panel packages, wherein each light-emitting panel package includes: a light-emitting panel configured to emit light; a lens holder configured to support a coupling lens and having a window, wherein each window is aligned with at least one light-emitting panel; and a coupling lens disposed on the lens holder and configured to transmit light emitted by the light-emitting panel; a circuit board configured to electrically connect the light-emitting panel to a motherboard; and a motherboard bonded to and electrically connected to the circuit board via the anisotropic conductive film. This invention allows the use of multiple monochromatic light-emitting panels to provide a mixed-color light source, such as a white light source, while also reducing the size of the light source or display.

The invention relates to the field of pneumatic conveying and feeding, in particular to an intelligent central feeding automatic control system. The system comprises an acquisition device, a central control system and a fan device, the acquisition device is connected with the central control system and is used for sending an acquired image of the conveying pipeline to the central control system; the central control system is connected with the fan device and is used for calculating the blocking degree of each area of the conveying pipeline according to the received images; and the intelligent central feeding automatic control system is controlled according to the blocking degree of each area. The problems that in the prior art, the material conveying efficiency is low, and fault misjudgment is likely to happen are effectively solved.

The utility model discloses a zoom projection lens which comprises a first lens assembly, a second lens assembly, a third lens assembly, a diaphragm, a fourth lens assembly and a fifth lens assembly which are sequentially arranged along a direction from an object space to an image space. A full-group linkage zoom design is adopted, and the first lens assembly is set as a zoom group for changing the focal length of the projection lens; the second lens assembly, the third lens assembly, the fourth lens assembly and the fifth lens assembly are arranged to be a compensation group used for offsetting the image surface position change caused by the movement of the zoom group. When zooming is carried out from the telephoto end to the wide-angle end, the distance between the second lens assembly and the third lens assembly is gradually increased. According to the utility model, the space occupied by the lens is reduced, so that the lens can adapt to the working condition of a compact installation space, the lens can maintain excellent imaging performance at different focal lengths within the working temperature range of a special application scene, and the flexible adaptability of the zoom projection lens is improved. The utility model also provides a projection system.

The invention relates to display equipment and an image display method, and relates to the technical field of display equipment. The display apparatus includes a display, a backlight assembly, and a controller. Wherein the backlight assembly comprises a plurality of backlight subareas, and each backlight subarea comprises a plurality of color backlight sources; the controller is respectively coupled with the display and the backlight assembly, and is configured to determine a target color value to be displayed in the display by each pixel in an input image; obtaining a compensation image of the input image and backlight information of each backlight partition corresponding to the input image according to the target color value and the light transmittance information of the display; and controlling the display to display the compensation image, and adjusting the brightness of the color backlight source in each backlight subarea according to the backlight information of each backlight subarea. The image display effect of the display equipment can be improved.

The invention provides an energy-saving lighting system. The energy-saving lighting system comprises a plurality of transformer-free light-emitting elements, a microprocessor, a control unit, at least one sensor and a power supply, the control unit is electrically connected with the microprocessor so as to generate a control signal and transmit the control signal to the microprocessor, the sensor is electrically connected with the microprocessor and has a sensing range, the sensor generates a sensing signal when detecting that an object moves in the sensing range, and the control unit is electrically connected with the microprocessor and transmits the sensing signal to the microprocessor. And the sensing signal is transmitted to the microprocessor. The power supply is electrically connected with the microprocessor and the light-emitting elements, and the microprocessor generates an adjusting signal according to the control signal or the sensing signal so as to adjust the output power of the power supply and the brightness of the light-emitting elements.

The invention discloses a perimeter device and a view detection method, and relates to the technical field of medical detection.The perimeter device comprises a shell, a light source, a digital micromirror device, an imaging unit, an image acquisition unit and a controller; the digital micro-mirror device is arranged in the shell and is used for receiving light emitted by the light source and then generating an optical stimulation pattern; the imaging unit is installed in the shell and used for projecting the optical stimulation pattern to the eye fundus of the human eye for imaging; the image acquisition unit is mounted in the shell and is used for acquiring image data of human eyes; the controller is electrically connected with the image sensor and the digital micro-mirror device and used for calculating the rotation angle of the eyeball according to the image data of the human eyes and adjusting the position, where the optical stimulation graph is generated, on the digital micro-mirror device according to the rotation angle of the eyeball. And the image of the optical stimulation pattern projected to the eye fundus of the human eye through the imaging unit moves along with the eyeball.

A reagent reaction determination method and device applied to a test tube, a computer-readable storage medium and a test tube, wherein, the reagent reaction determination method comprises: outputting a brightness control signal to the light-incident component to control the light-incident component to emit the RGB light, and to adjust the brightness control signal according to a preset step length, so as to adjust the brightness of the RGB light; detecting brightness variations of the light derived by the light-emergent component to generate an electrical signal detection value; perform an interpolation calculation on the present brightness control signal to obtain an estimated value of the brightness control signal when the electrical signal detection value is less than a preset threshold, and determining a reaction result in the reagent reaction chamber according to the estimated value of the brightness control signal. Therefore, the reagent reaction determination device applied to a test tube in the embodiment is capable of improving the accuracy of a reagent reaction determination, while simplifying the determination steps and reducing the determination time, which greatly improves the user experience.

The utility model relates to the technical field of LED power supplies, and discloses an LED constant current power supply of an integrated controller, which comprises a shell and a circuit board, the circuit board is arranged in the shell, and a control panel is arranged on the front side of the shell. The control panel is electrically connected with the circuit board, and the circuit board is provided with an input port, an output port, an AC-DC conversion circuit, a power supply circuit, a constant-current DC-DC dimming unit, a control unit and a panel input control circuit. The input port is electrically connected with the input end of the AC-DC conversion circuit, and the output end of the AC-DC conversion circuit is electrically connected with the input end of the constant-current DC-DC dimming unit and the input end of the power supply circuit. The output end of the constant-current DC-DC dimming unit is electrically connected with the output port, and the control panel is electrically connected with the control unit through the panel input control circuit. The constant-current DC-DC dimming unit adjusts output current under the control of the control circuit, and the power supply circuit is used for supplying power to the control unit. The LED constant-current power supply is convenient to install, and the installation and use experience of a terminal user can be improved.

This utility model relates to the field of temperature compensation technology and discloses a temperature-compensated LED lighting application circuit with stable light source, including a temperature detection circuit (120) for acquiring the temperature signal generated when the LED beads are working, a main control module (MCU) and a graded dimming circuit (130). The main control module (MCU) is used to receive the temperature signal and output a PWM signal according to the temperature signal; the graded dimming circuit (130) is used to receive the PWM signal; the main control module (MCU) adjusts the duty cycle of the output PWM signal according to the feedback temperature signal to control the graded dimming circuit (130) to dim the LED beads.

The application discloses a projection control method and device, a projector and a system. The method comprises the following steps: obtaining initial projection information of a target projector; determining a to-be-adjusted light-emitting pixel from each target light-emitting pixel based on an initial color value of each target light-emitting pixel and a dark field compensation threshold; performing brightness compensation processing on the initial color value of the to-be-adjusted light-emitting pixel based on the dark field compensation threshold to obtain a target color value of the to-be-adjusted light-emitting pixel; and controlling each target light-emitting pixel in the target projector to output the respective target color value. In the application, when each light-emitting pixel of each projector outputs the respective compensated color value, the brightness of the projection output of the multiple projectors is similar, the uniformity of the projection picture projected by the multiple projectors is better, and therefore the projection effect of the multi-projector projection system is improved.

The application discloses a transducer device capable of monitoring water bag coupling degree and a control method thereof. The transducer device comprises a transducer module, a control module, an auxiliary light source module and a coupling monitoring module. The control module is connected with the auxiliary light source module and the coupling monitoring module. The transducer module is independent and not connected with other modules. The control module is provided with an indicator lamp for prompting the coupling state of the current water bag. The transducer module comprises a transducer, a water tank and a water bag. The water bag serves as a medium between the transducer and a target after being filled with medium liquid. The control module comprises a control center unit and a man-machine interaction unit. The auxiliary light source module comprises a driving unit and an LED lamp unit. The application adopts the auxiliary light source module as a means for compensating for the missing spectral characteristics of ambient light and enhancing the sensitive spectral range of the sensor, and provides two control modes of manual and motor automatic, further increases the reliability of the coupling degree judgment and the use compatibility of the device.

The utility model provides an intelligent regulation and control industrial and mining lamp for factory building, including above -mentioned technical problem, the utility model adopts the technical scheme: the intelligent regulation and control industrial and mining lamp for factory building, including support frame, support frame both ends are equipped with installation side frame, multiple industrial and mining lamps are equipped between two installation side frames, and one side of industrial and mining lamp is equipped with the reflection board of rotation, and the reflection board both ends are equipped with regulation and control rotating lever, and the handle is equipped on regulation and control rotating lever, and the both sides of industrial and mining lamp are equipped with the sliding slot and arc clamping sleeve. When the reflection board is not needed, the handle is rotated, to make the spacing strip away the damping, and the handle is slid, to make regulation and control rotating lever be clamped on arc clamping sleeve. The reflection board is convenient to open and close, and the reflection board is adjusted to irradiate direction simple and quick, and the whole structure is adjusted to irradiate direction diversity, can carry out quick spotlight, can carry out 360 degree regulation to each industrial and mining lamp, and the flexibility is high, can provide enough local light intensity, can satisfy the requirement of high accuracy vision to work, and energy utilization efficiency is high.

The embodiment of the present invention provides a light-emitting device and a display device. The light-emitting device includes a dimming zone and a partition circuit, and the partition circuit corresponds to the dimming zone; the partition circuit includes a light-emitting module and a photosensitive module, and the light-emitting module and the photosensitive module are located in the dimming zone; the partition circuit includes a first state, and the light-emitting module and the photosensitive module are connected in series in the first state; the light-emitting device also includes a power module and a brightness adjustment module; the power module is used to provide a power supply voltage to the partition circuit, and the power module provides a first voltage value to the partition circuit in the first state; the brightness adjustment module is used to monitor the real-time equivalent resistance of the photosensitive module when the power module provides the first voltage value, and send an adjustment instruction to the power module; the power module responds to the adjustment instruction to provide a second voltage value to the partition circuit in the first state, and the second voltage value is different from the first voltage value. The present invention can adjust the brightness of the dimming zone so that the brightness of the dimming zone is consistent with the expected brightness, thereby improving the brightness uniformity.

The invention discloses a medical image viewing device and aims to provide a medical image viewing device which is convenient to operate, reliable in fixation and excellent in viewing effect, the medical image viewing device comprises a supporting base, an adjusting support and a viewing device body, and the viewing device body comprises a shell, a light source module and a viewing screen, an observation window corresponding to the observation screen is formed in a shell cover at the side end of the shell, a gap groove used for inserting a film is formed between the observation window and the observation screen, and a clamping device surrounding the observation screen is further arranged on the shell. Automatic guiding, flexible tight fixing and in-place detection during film insertion are achieved, the light source module adopts the combination of an LED light bar and a diffusion plate, and the uniformity of backlight on the observation screen is ensured.

This disclosure provides embodiments of a method, apparatus, electronic device, and computer-readable medium for dynamically adjusting the brightness of an infrared lamp in a wireless camera. One specific implementation of the method includes: controlling the wireless camera to turn on its infrared lamp according to a first preset duty cycle threshold and to capture a scene image; determining the exposure value of the wireless camera when capturing the scene image; adjusting the brightness of the infrared lamp based on the scene image, the exposure value, and a preset exposure value range, wherein the adjustment involves adjusting the brightness of the infrared lamp to the minimum brightness required to meet the shooting conditions; and, in response to determining that the exposure value of the wireless camera corresponding to the adjusted infrared lamp meets the preset exposure value condition, determining that the infrared lamp brightness adjustment is complete, and controlling the wireless camera to continue capturing images. This implementation can extend the standby time of the wireless camera.

This application discloses a pixel driving circuit and a display device, relating to the field of display technology. The pixel driving circuit proposed in this application includes a first transistor, a first capacitor, a second capacitor, a driving transistor, a second transistor, and a light-emitting element. This application enables the adjustment of the brightness of the light-emitting element by providing an incremental voltage related to the dimming voltage to the source of the driving transistor when the first transistor is in a conducting state, the second transistor is in a cut-off state, and a dimming signal line provides a dimming voltage. This causes the second voltage stored in the first capacitor to be related to the data voltage and the dimming voltage, thereby adjusting the output current provided by the driving transistor during the light-emitting period based on the potential difference between the gate and source of the driving transistor. Thus, this application enables precise adjustment of the display brightness of the display device, improving its display performance.

The present invention provides a manufacturing process for an ultra-thin LCD display screen based on multi-layer optical technology, relates to the technical field of LCD display screens, and includes an ambient light sensing system, a data processing system, a brightness calculation system, and a closed-loop control system. The closed-loop control system is adopted, and through a real-time monitoring and feedback mechanism, combined with PID control and fuzzy logic control, the brightness of the display screen can be effectively adjusted to ensure that it can respond to changes in a timely and accurate manner under various environmental conditions, significantly reducing the delay in brightness adjustment, so that the display screen can quickly adapt to different lighting conditions. The brightness calculation system is adopted, and a smooth brightness adjustment instruction is generated through a gradual adjustment algorithm to avoid abrupt jumps when the brightness changes, ensuring that the brightness change process is more natural and smooth, thereby reducing the visual interference of users, improving the comfort during long-term use, allowing users to focus more on content, and enhancing the overall use experience.

The utility model relates to the technical field of hair driers, in particular to a hair drier with a power-off anti-scald prompt function, which comprises a hair drier body, a fan component and a heating component, the fan component is mounted in the body and drives air to enter from an air inlet of the body, the air is accelerated in an airflow channel in the body, and the heating component is heated by the fan component. The formed high-speed airflow is blown out from the air outlet; the heating part is mounted in the airflow channel in the body and is used for heating high-speed airflow, so that high-temperature air with a certain temperature is blown out from the air outlet; the energy supply assembly and the identification assembly are electrically connected with each other, the energy supply assembly provides operation power for the identification assembly, and the identification assembly sends out anti-scald prompt information. In conclusion, the utility model provides a hair drier power-off anti-scald prompting scheme which is safe, reliable, good in prompting effect, simple in structure and lower in cost, has remarkable beneficial effects, can effectively solve the problems in the prior art, and has higher practical value and market competitiveness.

This utility model discloses an automatic measuring instrument for eyeglass fitting, including a base, a lifting column mounted on the base, an operating screen mounted on the lifting column, a data acquisition device mounted above the operating screen, and a central controller located within the operating screen. The central controller is signal-connected to the data acquisition device, the operating screen, and the lifting column. The operating screen and the data acquisition device move up and down with the lifting column. A subject position area is provided facing the operating screen. The data acquisition device includes a mounting base and a camera component mounted on the mounting base. The operating screen has a front display area, a left display area, a right display area, and a front / back position adjustment display area. The front display area includes a front facial contour area and a frame contour area within the front facial contour area. The front / back position adjustment display area is used to indicate the front / back direction required for the subject's adjustment. This device uses the camera component to identify and acquire facial data from the subject in three directions, thereby automatically generating eyeglass fitting parameters.

The embodiment of the present invention provides an LED lamp, an LED lamp brightness adjustment system and method, wherein the LED lamp comprises: an LED light source module; a power-on detection module, which is used to send a power-on signal when the LED lamp is powered on; a counting module, which is connected to the power-on detection module, and is used to determine the real-time cumulative power-on times when the power-on signal is received; a PWM output module, which is connected to the counting module, and is built with a corresponding relationship table between the cumulative power-on times and the PWM signal duty cycle, and is used to determine and output a PWM signal with a corresponding duty cycle according to the determined real-time cumulative power-on times and the corresponding relationship table between the cumulative power-on times and the PWM signal duty cycle; a driving module, which is built with a corresponding relationship table between the PWM signal duty cycle and the driving current, and is used to determine the output of a predetermined driving current to the LED light source module according to the duty cycle of the PWM signal and the corresponding relationship table between the PWM signal duty cycle and the driving current. This embodiment effectively adjusts the brightness of the LED lamp, reduces the wiring difficulty, and improves the brightness adjustment efficiency.